October 2014
Intermediate to advanced
240 pages
7h 34m
English
Content preview from CORS in ActionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Part 3. Debugging CORS requests
The previous two parts of this book focused on how CORS works from both the client’s and the server’s perspective. Because there is both a client- and server-side component to CORS, there are many places where things can go wrong, and debugging these issues can be difficult.
Chapter 7 provides details on how to debug CORS requests. It starts by introducing you to the browser’s developer tools. These developer tools provide a lot of insightful information about CORS requests, including any CORS-related errors, and a view into the request and response headers. If the developer tools aren’t sufficient, the chapter looks at Wireshark, which is a tool that analyzes network traffic. Wireshark can help shed some light ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.